(*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2008 Andrey Korotaev <unC0Rr@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*)
unit uChat;
interface
procedure AddChatString(s: shortstring);
procedure DrawChat;
procedure KeyPressChat(Key: Longword);
var UserNick: shortstring = '';
showAll: boolean = false;
implementation
uses uMisc, uStore, uConsts, SDLh, uConsole, uKeys, uTeams;
const MaxStrIndex = 27;
type TChatLine = record
Tex: PTexture;
Time: Longword;
Width: LongInt;
s: shortstring;
end;
var Strs: array[0 .. MaxStrIndex] of TChatLine;
lastStr: Longword = 0;
visibleCount: Longword = 0;
InputStr: TChatLine;
InputStrL: array[0..260] of char; // for full str + 4-byte utf-8 char
const colors: array[#1..#4] of Longword = (
$FFFFFF, // chat message
$FF00FF, // action message
$90FF90, // join/leave message
$A0FFFF // team message
);
procedure SetLine(var cl: TChatLine; str: shortstring; isInput: boolean);
var strSurface, resSurface: PSDL_Surface;
w, h: LongInt;
color: Longword;
begin
if cl.Tex <> nil then
FreeTexture(cl.Tex);
cl.s:= str;
if isInput then
begin
color:= $FFFF00;
str:= UserNick + '> ' + str + '_'
end
else begin
color:= colors[str[1]];
delete(str, 1, 1)
end;
TTF_SizeUTF8(Fontz[fnt16].Handle, Str2PChar(str), w, h);
resSurface:= SDL_CreateRGBSurface(0,
toPowerOf2(w),
toPowerOf2(h),
32,
RMask, GMask, BMask, AMask);
strSurface:= TTF_RenderUTF8_Solid(Fontz[fnt16].Handle, Str2PChar(str), color);
cl.Width:= w + 4;
SDL_UpperBlit(strSurface, nil, resSurface, nil);
SDL_FreeSurface(strSurface);
cl.Time:= RealTicks + 12500;
cl.Tex:= Surface2Tex(resSurface, false);
SDL_FreeSurface(resSurface)
end;
procedure AddChatString(s: shortstring);
begin
lastStr:= (lastStr + 1) mod (MaxStrIndex + 1);
SetLine(Strs[lastStr], s, false);
inc(visibleCount)
end;
procedure DrawChat;
var i, t, cnt: Longword;
r: TSDL_Rect;
begin
cnt:= 0;
t:= 0;
i:= lastStr;
r.x:= 6 - cScreenWidth div 2;
r.y:= (visibleCount - t) * 16 + 10;
r.h:= 16;
if (GameState = gsChat)
and (InputStr.Tex <> nil) then
begin
r.w:= InputStr.Width;
DrawFillRect(r);
DrawTexture(8 - cScreenWidth div 2, visibleCount * 16 + 10, InputStr.Tex);
end;
dec(r.y, 16);
while
(
((t < 7) and (Strs[i].Time > RealTicks))
or
((t < MaxStrIndex) and showAll)
)
and
(Strs[i].Tex <> nil) do
begin
r.w:= Strs[i].Width;
DrawFillRect(r);
DrawTexture(8 - cScreenWidth div 2, (visibleCount - t) * 16 - 6, Strs[i].Tex);
dec(r.y, 16);
if i = 0 then i:= MaxStrIndex else dec(i);
inc(cnt);
inc(t)
end;
visibleCount:= cnt;
end;
procedure AcceptChatString(s: shortstring);
var i: TWave;
begin
// "Make hedgehog say something"
if (s[1] = '"') and (s[Length(s)] = '"') then
begin
if CurrentTeam^.ExtDriven then
ParseCommand('/say ' + copy(s, 2, Length(s)-2), true)
else
ParseCommand('/hogsay '#1 + copy(s, 2, Length(s)-2), true);
exit
end;
// 'Make hedgehog think something'
if (s[1] = '''') and (s[Length(s)] = '''') then
begin
if CurrentTeam^.ExtDriven then
ParseCommand('/say ' + copy(s, 2, Length(s)-2), true)
else
ParseCommand('/hogsay '#2 + copy(s, 2, Length(s)-2), true);
exit
end;
// -Make hedgehog yell something-
if (s[1] = '-') and (s[Length(s)] = '-') then
begin
if CurrentTeam^.ExtDriven then
ParseCommand('/say ' + copy(s, 2, Length(s)-2), true)
else
ParseCommand('/hogsay '#3 + copy(s, 2, Length(s)-2), true);
exit
end;
// These 3 are same as above, only are to make the hedgehog say it on next attack
if (s[1] = '/') and (copy(s, 1, 5) = '/hsa ') then
begin
if CurrentTeam^.ExtDriven then
ParseCommand('/say ' + copy(s, 6, Length(s)-5), true)
else
ParseCommand('/hogsay '#4 + copy(s, 6, Length(s)-5), true);
exit
end;
if (s[1] = '/') and (copy(s, 1, 5) = '/hta ') then
begin
if CurrentTeam^.ExtDriven then
ParseCommand('/say ' + copy(s, 6, Length(s)-5), true)
else
ParseCommand('/hogsay '#5 + copy(s, 6, Length(s)-5), true);
exit
end;
if (s[1] = '/') and (copy(s, 1, 5) = '/hya ') then
begin
if CurrentTeam^.ExtDriven then
ParseCommand('/say ' + copy(s, 6, Length(s)-5), true)
else
ParseCommand('/hogsay '#6 + copy(s, 6, Length(s)-5), true);
exit
end;
if (copy(s, 1, 6) = '/team ') and (length(s) > 6) then
begin
ParseCommand(s, true);
exit
end;
if (s[1] = '/') and (copy(s, 1, 4) <> '/me ') then
begin
if CurrentTeam^.ExtDriven then exit;
for i:= Low(TWave) to High(TWave) do
if (s = Wavez[i].cmd) then
begin
ParseCommand('/taunt ' + char(i), true);
exit
end;
if (s = '/newgrave') then
begin
ParseCommand('/newgrave', true);
exit
end;
end
else
ParseCommand('/say ' + s, true);
end;
procedure KeyPressChat(Key: Longword);
const firstByteMark: array[1..4] of byte = (0, $C0, $E0, $F0);
var i, btw: integer;
utf8: shortstring;
begin
if Key <> 0 then
case Key of
{Backspace}
8, 127: if Length(InputStr.s) > 0 then
begin
InputStr.s[0]:= InputStrL[byte(InputStr.s[0])];
SetLine(InputStr, InputStr.s, true)
end;
{Esc}
27: SetLine(InputStr, '', true);
{Return}
3, 13, 271: begin
if Length(InputStr.s) > 0 then
begin
AcceptChatString(InputStr.s);
SetLine(InputStr, '', false)
end;
FreezeEnterKey;
GameState:= gsGame
end;
else
if (Key < $80) then btw:= 1
else if (Key < $800) then btw:= 2
else if (Key < $10000) then btw:= 3
else btw:= 4;
utf8:= '';
for i:= btw downto 2 do
begin
utf8:= char((Key or $80) and $BF) + utf8;
Key:= Key shr 6
end;
utf8:= char(Key or firstByteMark[btw]) + utf8;
if byte(InputStr.s[0]) + btw > 240 then exit;
InputStrL[byte(InputStr.s[0]) + btw]:= InputStr.s[0];
SetLine(InputStr, InputStr.s + utf8, true)
end
end;
end.